This is TikiWiki 1.9.7 -Sirius- © 2002–2006 by the Tiki community Thu 04 of Jun, 2020 [20:57 UTC]

Forum: Hot Heads Tech Talk

Forums->Hot Heads Tech Talk->330 desoto

JesseFringer
330 desoto


Why does my 330desoto smoke after winning g shutoff for 30 min ? After sitting for several weeks it really smokes for about 5 minutes,is it valve seals( if this motor even has them) and is it difficult to repair?Thanks,Jess
  user offline
on: Wed 12 of Feb, 2020 [22:34 UTC] reads: 1722

Posted messages

Top
author message
George
user offline
Re: 330 desoto
on: Thu 13 of Feb, 2020 [16:54 UTC] score: 0.00
Ex seals were never used by the OEM. There have been reports of ex valves galling when seals were put on during rebuilds.

author message
JesseFringer
user offline
Re: 330 desoto
on: Wed 12 of Feb, 2020 [22:40 UTC] score: 0.00
> Why does my 330desoto smoke after being shutoff for 30 min ? After sitting for several weeks it really smokes for about 5 minutes,is it valve seals( if this motor even has them) and is it difficult to repair?Thanks,Jess

author message
30redram
user offline
Re: Re: 330 desoto
on: Thu 13 of Feb, 2020 [02:57 UTC] score: 0.00
Some of the early hemi's I worked on years ago did not have seals on the exhaust valves. It seems the factory's logic was the exhaust valve stems were so close to horizontal that any oil on the stems would drip off before flowing into the exhaust guides. While the engine was running, exhaust pressure would keep oil out of the guides. My first hemi, a 241 Red Ram bored out .125 so it could take 259 Plymouth pistons, would blow some smoke only when it was initially cranked. The smoke ended in a few seconds. It had no exhaust seals.

I've always pulled the heads to change seals. I've heard of guys not pulling the heads; they used compressed air in the cylinders to hold the valves shut and various levers to compress the springs.

Have you run a compression check on your cylinders to check for ring wear?


Page: 1/1

Show posts: